The XclusionPro® XL power attic fan pest guard prevents rodents like mice and rats as well as animals like raccoons and squirrels. This vent guard will also keep out bats, birds, and even stinging insects. The metal construction is completely breathable and still allows for proper maximum airflow.
Reviewed by attic ventilation and moisture damage expert William B. Rose, this heavy duty galvannealed powder coated steel provides long-term protection against pest entry as well as excellent airflow.